高数题:n趋近于0,lim{1/(n^2+n+1)+2/(n^2+n+2)+3/(n^2+n+3)+.+n/(n^2+n
高数求极限lim(1+2^n+3^n)^1/n n趋近于无穷
证明不等式:(1/n)^n+(2/n)^n+(3/n)^n+.+(n/n)^n
lim[(n+3)/(n+1))]^(n-2) 【n无穷大】
用夹逼准则和重要极限两种方法计算极限lim(2^n+3^n+4^n+5^n+6^n)^(1/n)n趋近于...
求x趋近于0时候的极限 [(n!)^(-1) * n^(-n) * (2n)!]^(1/n)
2^n/n*(n+1)
(1/(n^2 n 1 ) 2/(n^2 n 2) 3/(n^2 n 3) ……n/(n^2 n n)) 当N越于无穷大
lim n趋近无穷 3n^3+n^2-3/4n^3+2n+1的极限
(2^n+(-3)^n)/(2^(n+1)+(-3)^(n+1)) n趋近无穷大的极限
[3n(n+1)+n(n+1)(2n+1)]/6+n(n+2)化简
求极限 lim n[1/(n^2+1)+1/(n^2+2^2)+……+1/(n^n+n^n)] (n趋向于无穷大,n^n
求极限lim((n+1)/(n2+1)+(n+2)/(n2+2)+...+(n+n)/(n2+n)),n趋近无穷